Instruction Manual

CS48DV2B Data Sheet
32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby
DS875F2 Copyright 2009 Cirrus Logic 13
CONFIDENTIAL
CONFIDENTI
A
L
DRA
FT
DELP
HI
5.8 Switching Characteristics — Internal Clock
Parameter Symbol Min Max Unit
Internal DCLK frequency
1
CS48DV2B-CQZ
CS48DV2B-DQZ
1. After initial power-on reset, F
dclk
= F
xtal
. After initial kickstart commands, the PLL is locked to max F
dclk
and remains locked until
the next power-on reset.
F
dclk
-
F
xtal
F
xtal
150
150
MHz
Internal DCLK period
1
CS48DV2B-CQZ
CS48DV2B-DQZ
DCLKP -
6.7
6.7
1/F
xtal
1/F
xtal
ns